🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 142.5

Radius: 15

Gravity: 0.63 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 0.55 AU - 0.89 AU

Year: 422 Days

Day: 5.9 Hours

Environment

Temp: -157 °C

Axial Tilt: 12.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 28,437,288 km

• M1: 186,698 km (0.098 R)
• M2: 725,101 km (0.077 R)
• M3: 1,326,933 km (0.076 R)
• M4: 1,871,619 km (0.101 R)
• M5: 2,606,743 km (0.04 R)
• M6: 3,175,215 km (0.037 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 356.6

Radius: 11.8

Gravity: 2.56 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 0.81 AU - 1.05 AU

Year: 619 Days

Day: 13.7 Hours

Environment

Temp: -164 °C

Axial Tilt: 2.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 28,437,288 km

• M1: 146,756 km (0.097 R)
• M2: 690,394 km (0.098 R)
• M3: 1,556,715 km (0.047 R)
• M4: 1,998,029 km (0.062 R)
• M5: 2,824,109 km (0.104 R)
• M6: 3,252,407 km (0.104 R)
• M7: 4,481,803 km (0.064 R)
• M8: 4,990,136 km (0.083 R)
• M9: 5,824,743 km (0.061 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 629.5

Radius: 13.9

Gravity: 3.26 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 1.02 AU - 1.44 AU

Year: 942 Days

Day: 8.7 Hours

Environment

Temp: -193 °C

Axial Tilt: 22.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 28,437,288 km

• M1: 172,935 km (0.095 R)
• M2: 700,866 km (0.116 R)
• M3: 1,156,392 km (0.068 R)
• M4: 1,783,506 km (0.086 R)
• M5: 2,474,349 km (0.045 R)
• M6: 2,946,031 km (0.103 R)
• M7: 4,121,272 km (0.105 R)
• M8: 5,022,749 km (0.119 R)
• M9: 6,176,896 km (0.075 R)
• M10: 7,009,408 km (0.105 R)
• M11: 7,669,883 km (0.047 R)
• M12: 8,217,561 km (0.117 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 18.9

Radius: 13.7

Gravity: 0.1 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 1.22 AU - 1.72 AU

Year: 1230 Days

Day: 9.4 Hours

Environment

Temp: -181 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 28,437,288 km

• M1: 198,516 km (0.103 R)
• M2: 1,497,774 km (0.085 R)
• M3: 2,128,628 km (0.107 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 974

Radius: 10.3

Gravity: 9.18 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 1.3 AU - 1.68 AU

Year: 1255 Days

Day: 10.5 Hours

Environment

Temp: -192 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 28,437,288 km

• M1: 130,300 km (0.08 R)
• M2: 451,187 km (0.095 R)
• M3: 1,162,974 km (0.037 R)
• M4: 1,945,820 km (0.083 R)
• M5: 2,699,494 km (0.105 R)
• M6: 3,136,619 km (0.092 R)
• M7: 4,100,178 km (0.082 R)
• M8: 5,082,887 km (0.116 R)
• M9: 5,596,456 km (0.044 R)
• M10: 6,702,882 km (0.082 R)
• M11: 7,508,616 km (0.092 R)
• M12: 7,977,306 km (0.113 R)
• M13: 8,348,758 km (0.105 R)
• M14: 8,672,039 km (0.041 R)
• M15: 9,064,883 km (0.081 R)
• M16: 9,438,130 km (0.065 R)
• M17: 9,821,549 km (0.081 R)
• M18: 10,619,654 km (0.078 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 707.1

Radius: 10

Gravity: 7.07 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 1.56 AU - 1.76 AU

Year: 1476 Days

Day: 9.7 Hours

Environment

Temp: -189 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 28,437,288 km

• M1: 131,197 km (0.117 R)
• M2: 461,659 km (0.093 R)
• M3: 1,028,186 km (0.064 R)
• M4: 1,740,571 km (0.072 R)
• M5: 2,200,585 km (0.059 R)
• M6: 2,620,356 km (0.117 R)
• M7: 3,122,856 km (0.113 R)
• M8: 3,738,750 km (0.109 R)
• M9: 4,229,431 km (0.101 R)
• M10: 4,722,954 km (0.112 R)
• M11: 5,469,597 km (0.107 R)
• M12: 5,940,382 km (0.105 R)
• M13: 6,316,920 km (0.107 R)
• M14: 7,516,695 km (0.106 R)
• M15: 8,184,948 km (0.09 R)
• M16: 8,831,809 km (0.076 R)
• M17: 9,354,654 km (0.076 R)
• M18: 9,930,755 km (0.1 R)
• M19: 10,564,302 km (0.047 R)
• M20: 11,402,948 km (0.048 R)
• M21: 12,627,556 km (0.078 R)
• M22: 12,976,269 km (0.07 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 325.1

Radius: 11.1

Gravity: 2.64 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 4.5 AU - 4.54 AU

Year: 6633 Days

Day: 9.7 Hours

Environment

Temp: -224 °C

Axial Tilt: 23.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 28,437,288 km

• M1: 138,079 km (0.106 R)
• M2: 491,429 km (0.08 R)
• M3: 940,971 km (0.068 R)
• M4: 1,382,883 km (0.091 R)
• M5: 1,803,851 km (0.079 R)
• M6: 2,483,474 km (0.033 R)
• M7: 3,570,452 km (0.064 R)
• M8: 3,980,949 km (0.092 R)
• M9: 4,495,865 km (0.096 R)
• M10: 5,054,762 km (0.1 R)
• M11: 5,832,671 km (0.107 R)
• M12: 7,696,511 km (0.065 R)
• M13: 9,844,737 km (0.065 R)
• M14: 10,967,020 km (0.032 R)
• M15: 11,698,853 km (0.047 R)
• M16: 13,723,061 km (0.091 R)
• M17: 14,303,651 km (0.094 R)
• M18: 16,495,260 km (0.091 R)
• M19: 19,357,516 km (0.103 R)
• M20: 20,155,471 km (0.102 R)
• M21: 20,630,893 km (0.055 R)
• M22: 24,941,406 km (0.106 R)
• M23: 26,286,889 km (0.077 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 319 - 18,369 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit